<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <script src="vue.min.js"></script>
</head>
<body>
<div id="app">
  <ul>
    <li v-repeat="items" class="item-{{$index}}">
      {{$index}}-{{parentMsg}}-{{childMsg}}
    </li>
  </ul>
</div>
</body>
<script>
  var vm = new Vue({
    el: '#app',
    data: {
      parentMsg: 'hello',
      items: [
        { childMsg: 'Foo' },
        { childMsg: 'Bar' }
      ]
    }
  })
</script>
</html>